U.S. looks to Mexico's playbook to fight New World screwworm outbreak

Mexico has been battling a New World screwworm outbreak for over 18 months, dealing with the flesh-eating parasite that attacks living tissue in livestock and wildlife. As the U.S. now faces its own threat from the pest, American officials are studying Mexico's response for lessons on containment. Key focus areas include biological control methods and border-zone management strategies.